package com.redistest.demo.config;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;

import redis.clients.jedis.JedisPoolConfig;

@Configuration
public class RedisConfig extends CachingConfigurerSupport {

	@Value("${spring.redis.pool.maxActive}")
	private int maxTotal;

	@Value("${spring.redis.pool.maxIdle}")
	private int maxIdle;

	@Value("${spring.redis.pool.maxWait}")
	private int maxWait;

	// Redis连接池配置
	// @Bean
	public JedisPoolConfig jedisPoolConfig() {
		JedisPoolConfig poolConfig = new JedisPoolConfig();
		poolConfig.setMaxTotal(maxTotal);
		poolConfig.setMaxIdle(maxIdle);
		poolConfig.setMaxWaitMillis(maxWait);
		return poolConfig;
	}

	// redis连接工厂
	@SuppressWarnings("deprecation")
	public JedisConnectionFactory jedisConnectionFactory(JedisPoolConfig jedisPoolConfig, int port, String host,
			int timeout) {
		JedisConnectionFactory masterFactory = new JedisConnectionFactory();
		masterFactory.setPort(port);
		masterFactory.setHostName(host);
		masterFactory.setPoolConfig(jedisPoolConfig);
		masterFactory.setTimeout(timeout);
		return masterFactory;
	}

	// 构造redis主对应的Template
	@SuppressWarnings({ "unchecked", "rawtypes" })
	public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory jedisConnectionFactory) {
		RedisTemplate<String, Object> template = new RedisTemplate<>();
		// 配置连接工厂
		template.setConnectionFactory(jedisConnectionFactory);

		// 使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值（默认使用JDK的序列化方式）
		Jackson2JsonRedisSerializer jacksonSeial = new Jackson2JsonRedisSerializer(Object.class);

		ObjectMapper om = new ObjectMapper();
		// 指定要序列化的域，field,get和set,以及修饰符范围，ANY是都有包括private和public
		om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
		// 指定序列化输入的类型，类必须是非final修饰的，final修饰的类，比如String,Integer等会跑出异常
		om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
		jacksonSeial.setObjectMapper(om);

		// 值采用json序列化
		template.setValueSerializer(jacksonSeial);
		// 使用StringRedisSerializer来序列化和反序列化redis的key值
		template.setKeySerializer(new StringRedisSerializer());

		// 设置hash key 和value序列化模式
		template.setHashKeySerializer(new StringRedisSerializer());
		template.setHashValueSerializer(jacksonSeial);
		template.afterPropertiesSet();

		return template;
	}

}
